af_xdp.h File Reference

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Data Structures
struct	af_xdp_rxq_t
struct	af_xdp_txq_t
struct	af_xdp_device_t
struct	af_xdp_main_t
struct	af_xdp_create_if_args_t
struct	af_xdp_input_trace_t

Macros
#define	AF_XDP_NUM_RX_QUEUES_ALL   ((u16)-1)
#define	af_xdp_log(lvl, dev, f, ...)   vlib_log(lvl, af_xdp_main.log_class, "%v: " f, (dev)->name, ##__VA_ARGS__)
#define	foreach_af_xdp_device_flags
#define	af_xdp_device_error(dev, fmt, ...)
#define	foreach_af_xdp_tx_func_error

Enumerations
enum	{ foreach_af_xdp_device_flags }
enum	af_xdp_mode_t { AF_XDP_MODE_AUTO = 0, AF_XDP_MODE_COPY = 1, AF_XDP_MODE_ZERO_COPY = 2 }
enum	af_xdp_create_flag_t { AF_XDP_CREATE_FLAGS_NO_SYSCALL_LOCK = 1 }
enum	af_xdp_tx_func_error_t { AF_XDP_TX_N_ERROR }

Functions
void	af_xdp_create_if (vlib_main_t *vm, af_xdp_create_if_args_t *args)
void	af_xdp_delete_if (vlib_main_t *vm, af_xdp_device_t *ad)
void	af_xdp_device_input_refill (af_xdp_device_t *ad)

Variables
af_xdp_main_t	af_xdp_main
vlib_node_registration_t	af_xdp_input_node
	(constructor) VLIB_REGISTER_NODE (af_xdp_input_node) More...
vnet_device_class_t	af_xdp_device_class
format_function_t	format_af_xdp_device
format_function_t	format_af_xdp_device_name
format_function_t	format_af_xdp_input_trace
unformat_function_t	unformat_af_xdp_create_if_args

Macro Definition Documentation

af_xdp_device_error

#define af_xdp_device_error	(		dev,
			fmt,
			...
	)

Value:

  if (!(dev)->error) \
    { \
      clib_error_t *err_ = clib_error_return_unix (0, fmt, ## __VA_ARGS__); \
      if (!clib_atomic_bool_cmp_and_swap (&(dev)->error, 0, err_)) \
        clib_error_free(err_); \
    }

Definition at line 45 of file af_xdp.h.

af_xdp_log

#define af_xdp_log	(		lvl,
			dev,
			f,
			...
	)		vlib_log(lvl, af_xdp_main.log_class, "%v: " f, (dev)->name, ##__VA_ARGS__)

Definition at line 27 of file af_xdp.h.

AF_XDP_NUM_RX_QUEUES_ALL

#define AF_XDP_NUM_RX_QUEUES_ALL   ((u16)-1)

Definition at line 25 of file af_xdp.h.

foreach_af_xdp_device_flags

#define foreach_af_xdp_device_flags

Value:

  _ (0, INITIALIZED, "initialized")                                           \
  _ (1, ERROR, "error")                                                       \
  _ (2, ADMIN_UP, "admin-up")                                                 \
  _ (3, LINK_UP, "link-up")                                                   \
  _ (4, ZEROCOPY, "zero-copy")                                                \
  _ (5, SYSCALL_LOCK, "syscall-lock")

Definition at line 30 of file af_xdp.h.

foreach_af_xdp_tx_func_error

#define foreach_af_xdp_tx_func_error

Value:

  _ (NO_FREE_SLOTS, "no free tx slots")                                       \
  _ (SYSCALL_REQUIRED, "syscall required")                                    \
  _ (SYSCALL_FAILURES, "syscall failures")

Definition at line 186 of file af_xdp.h.

Enumeration Type Documentation

anonymous enum

anonymous enum

Enumerator
foreach_af_xdp_device_flags

Definition at line 38 of file af_xdp.h.

af_xdp_create_flag_t

enum af_xdp_create_flag_t

Enumerator
AF_XDP_CREATE_FLAGS_NO_SYSCALL_LOCK

Definition at line 142 of file af_xdp.h.

af_xdp_mode_t

enum af_xdp_mode_t

Enumerator
AF_XDP_MODE_AUTO
AF_XDP_MODE_COPY
AF_XDP_MODE_ZERO_COPY

Definition at line 135 of file af_xdp.h.

af_xdp_tx_func_error_t

enum af_xdp_tx_func_error_t

Enumerator
AF_XDP_TX_N_ERROR

Definition at line 191 of file af_xdp.h.

Function Documentation

af_xdp_create_if()

void af_xdp_create_if	(	vlib_main_t *	vm,
		af_xdp_create_if_args_t *	args
	)

Definition at line 365 of file device.c.

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af_xdp_delete_if()

void af_xdp_delete_if	(	vlib_main_t *	vm,
		af_xdp_device_t *	ad
	)

Definition at line 90 of file device.c.

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af_xdp_device_input_refill()

void af_xdp_device_input_refill

(

af_xdp_device_t *

ad

)

Definition at line 347 of file input.c.

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Variable Documentation

af_xdp_device_class

vnet_device_class_t af_xdp_device_class

af_xdp_input_node

vlib_node_registration_t af_xdp_input_node

(constructor) VLIB_REGISTER_NODE (af_xdp_input_node)

Definition at line 357 of file input.c.

af_xdp_main

af_xdp_main_t af_xdp_main

Definition at line 31 of file device.c.

format_af_xdp_device

format_function_t format_af_xdp_device

Definition at line 173 of file af_xdp.h.

format_af_xdp_device_name

format_function_t format_af_xdp_device_name

Definition at line 174 of file af_xdp.h.

format_af_xdp_input_trace

format_function_t format_af_xdp_input_trace

Definition at line 175 of file af_xdp.h.

unformat_af_xdp_create_if_args

unformat_function_t unformat_af_xdp_create_if_args

Definition at line 178 of file af_xdp.h.